Fixing Windows Updates Servicing Corruption

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1. Symptom

Windows Updates cannot be successfully installed.

The installation fails and rolls back after the reboot…

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2. Possible Cause

This could be due to an incorrect Windows Update Catalog, or a corrupt Component-Based Servicing catalog.

 

 

3. Resolution

To check the status of the Windows Updates on a machine, the DISM tool can be used.

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The report can be found here:

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3.1 Windows 8 and upper versions

The “RestoreHealth” option can be used to repair corrupted Windows Updates:

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Unfortunately, this command is not recognized in Windows 7 environments…

 

 

3.2 Windows 7

In the report log file, the last lines shows the files required for the repair.

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Those files are located in C:\Windows\servicing\packages

Copy those files from a healthy computer (where the CheckSUR.log does not contain error on those files) to the problematic machine in the following location:

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Then, use Windows Update Readiness tool to repair them:

http://www.microsoft.com/en-us/download/details.aspx?id=20858

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The tool will use the files provided previously to repair.

Retrying to install failing Windows Update should be a success.